EP1801376A4 - METHOD OF MEASURING NOx REDUCTION RATE OF EXHAUST EMISSION CONTROL DEVICE - Google Patents

METHOD OF MEASURING NOx REDUCTION RATE OF EXHAUST EMISSION CONTROL DEVICE

Info

Publication number
EP1801376A4
EP1801376A4 EP05766446A EP05766446A EP1801376A4 EP 1801376 A4 EP1801376 A4 EP 1801376A4 EP 05766446 A EP05766446 A EP 05766446A EP 05766446 A EP05766446 A EP 05766446A EP 1801376 A4 EP1801376 A4 EP 1801376A4
Authority
EP
European Patent Office
Prior art keywords
control device
emission control
reduction rate
exhaust emission
nox reduction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP05766446A
Other languages
German (de)
French (fr)
Other versions
EP1801376B1 (en
EP1801376A1 (en
Inventor
Ichiro Tsumagari
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hino Motors Ltd
Original Assignee
Hino Motors Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hino Motors Ltd filed Critical Hino Motors Ltd
Publication of EP1801376A1 publication Critical patent/EP1801376A1/en
Publication of EP1801376A4 publication Critical patent/EP1801376A4/en
Application granted granted Critical
Publication of EP1801376B1 publication Critical patent/EP1801376B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9495—Controlling the catalytic process
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9404—Removing only nitrogen compounds
    • B01D53/9409—Nitrogen oxides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
    • F01N11/002—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring or estimating temperature or pressure in, or downstream of the exhaust apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/2066—Selective catalytic reduction [SCR]
    • F01N3/208—Control of selective catalytic reduction [SCR], e.g. dosing of reducing agent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/206—Ammonium compounds
    • B01D2251/2067—Urea
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/02—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
    • F01N2560/026—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting NOx
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
EP05766446A 2004-07-23 2005-07-21 METHOD OF MEASURING NOx REDUCTION RATE OF EXHAUST EMISSION CONTROL DEVICE Expired - Fee Related EP1801376B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004215767A JP4267535B2 (en) 2004-07-23 2004-07-23 NOx reduction rate measurement method for exhaust purification system
PCT/JP2005/013365 WO2006009196A1 (en) 2004-07-23 2005-07-21 METHOD OF MEASURING NOx REDUCTION RATE OF EXHAUST EMISSION CONTROL DEVICE

Publications (3)

Publication Number Publication Date
EP1801376A1 EP1801376A1 (en) 2007-06-27
EP1801376A4 true EP1801376A4 (en) 2008-01-16
EP1801376B1 EP1801376B1 (en) 2009-12-02

Family

ID=35785303

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05766446A Expired - Fee Related EP1801376B1 (en) 2004-07-23 2005-07-21 METHOD OF MEASURING NOx REDUCTION RATE OF EXHAUST EMISSION CONTROL DEVICE

Country Status (7)

Country Link
US (1) US7543443B2 (en)
EP (1) EP1801376B1 (en)
JP (1) JP4267535B2 (en)
KR (1) KR20070032780A (en)
CN (1) CN1989321A (en)
DE (1) DE602005018088D1 (en)
WO (1) WO2006009196A1 (en)

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DE112006001805A5 (en) * 2005-07-19 2008-06-26 Avl List Gmbh Exhaust line of an internal combustion engine
DE102005042488A1 (en) * 2005-09-07 2007-03-08 Robert Bosch Gmbh Method for operating an internal combustion engine and device for carrying out the method
US20100107610A1 (en) * 2006-03-02 2010-05-06 Schuessler Martin Exhaust System for an Internal Combustion Engine
KR100957138B1 (en) * 2007-07-09 2010-05-11 현대자동차주식회사 Method for determining malfunction of nitrogen oxide sensor and selective catalytic reduction system operating the same
JP4840703B2 (en) * 2007-11-16 2011-12-21 トヨタ自動車株式会社 Abnormality diagnosis device for exhaust purification system
DE102008047860B3 (en) * 2008-09-18 2009-12-24 Continental Automotive Gmbh Method for leakage test of reducing agent injector of selective catalytic reduction exhaust-gas after treatment system of combustion engine, involves generating or producing release condition of selective catalytic reduction system
JP2010071192A (en) * 2008-09-18 2010-04-02 Toyota Motor Corp Exhaust emission control device
KR100992816B1 (en) 2008-11-28 2010-11-08 현대자동차주식회사 System for correction a stored ammonia quantity of emission reduce line on diesel vehicle and method thereof
FR2945962B1 (en) * 2009-05-29 2012-06-08 Peugeot Citroen Automobiles Sa DEVICE, VEHICLE COMPRISING THIS DEVICE AND METHOD FOR TREATING EXHAUST GASES
DE102009058089B4 (en) * 2009-12-12 2016-09-22 Bayerische Motoren Werke Aktiengesellschaft Measurement and control method and apparatus for an SCR exhaust aftertreatment system with determination of the linear relationship between two signals determined by means of NOx sensors
CN101798946B (en) * 2010-02-23 2012-12-26 中国人民解放军军事交通学院 Device and method for adding diesel urea solution
DE102010027970A1 (en) * 2010-04-20 2011-10-20 Robert Bosch Gmbh Method for operating an internal combustion engine
GB2481433A (en) * 2010-06-24 2011-12-28 Gm Global Tech Operations Inc Determining NOx concentration upstream of an SCR catalyst
EP2439386A1 (en) * 2010-10-06 2012-04-11 Nicholas Michael Zayan SCR ammonia slip detection
DE102011008380B3 (en) * 2011-01-12 2012-01-26 Continental Automotive Gmbh Catalytic converter system and method for operating a catalytic converter
SE538378C2 (en) * 2012-05-03 2016-06-07 Scania Cv Ab Method for detecting sulfur poisoning in an exhaust after-treatment system
JP6230459B2 (en) * 2014-03-28 2017-11-15 日立造船株式会社 Method and apparatus for measuring denitration rate for engine
JP6252540B2 (en) * 2014-05-19 2017-12-27 トヨタ自動車株式会社 Exhaust gas purification device for internal combustion engine
US9476341B2 (en) * 2014-07-28 2016-10-25 GM Global Technology Operations LLC Exhaust treatment system that generates debounce duration for NOx sensor offset
KR101684135B1 (en) * 2015-06-26 2016-12-08 현대자동차주식회사 Failure diagnosis method of SCR system
CN105179052A (en) * 2015-07-13 2015-12-23 南通亚泰工程技术有限公司 Marine SCR urea solution spraying system and control method
DE102015224670A1 (en) * 2015-12-09 2017-06-14 Robert Bosch Gmbh Method for correcting a model value of a NOx concentration
GB2550597B (en) * 2016-05-24 2020-05-13 Delphi Automotive Systems Lux Method of modelling afr to compensate for wraf sensor
CN108150300B (en) * 2017-12-21 2020-06-02 潍柴动力股份有限公司 Method and device for correcting NOx original emission model value of diesel engine
CN113705890B (en) * 2021-08-27 2023-06-20 太原理工大学 Diesel engine emission pollutant control method based on approximate model
CN114263521B (en) * 2021-12-31 2023-03-21 潍柴动力股份有限公司 Sensor parameter correction method and device

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US4751054A (en) * 1985-07-16 1988-06-14 Babcock - Hitachi Kabushiki Kaisha Apparatus for removing NOx from a gas
EP1024254A2 (en) * 1999-01-29 2000-08-02 Robert Bosch Gmbh Method and apparatus to control an exhaust gas after-treatment system
US6119448A (en) * 1997-08-21 2000-09-19 Man Nutzfahrzeuge Ag Method for metering a reducing agent into NOx -containing exhaust gas of an internal combustion engine
US20030051468A1 (en) * 2001-09-04 2003-03-20 Van Nieuwstadt Michiel J. Method and apparatus for determining whether a sensor which is responsive to both a reactant and a substance to be reduced by such reactant is responding to either un-reacted portions of the substance or un-reacted portions of the reactant
EP1334760A2 (en) * 2002-02-07 2003-08-13 Mitsubishi Heavy Industries, Ltd. Feedback control method in v-shaped characteristic system, and NH3 injection rate control method for NOx removal apparatus using the same

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US4751054A (en) * 1985-07-16 1988-06-14 Babcock - Hitachi Kabushiki Kaisha Apparatus for removing NOx from a gas
US6119448A (en) * 1997-08-21 2000-09-19 Man Nutzfahrzeuge Ag Method for metering a reducing agent into NOx -containing exhaust gas of an internal combustion engine
EP1024254A2 (en) * 1999-01-29 2000-08-02 Robert Bosch Gmbh Method and apparatus to control an exhaust gas after-treatment system
US20030051468A1 (en) * 2001-09-04 2003-03-20 Van Nieuwstadt Michiel J. Method and apparatus for determining whether a sensor which is responsive to both a reactant and a substance to be reduced by such reactant is responding to either un-reacted portions of the substance or un-reacted portions of the reactant
EP1334760A2 (en) * 2002-02-07 2003-08-13 Mitsubishi Heavy Industries, Ltd. Feedback control method in v-shaped characteristic system, and NH3 injection rate control method for NOx removal apparatus using the same

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Title
See also references of WO2006009196A1 *

Also Published As

Publication number Publication date
EP1801376B1 (en) 2009-12-02
EP1801376A1 (en) 2007-06-27
DE602005018088D1 (en) 2010-01-14
CN1989321A (en) 2007-06-27
JP2006037771A (en) 2006-02-09
WO2006009196A1 (en) 2006-01-26
JP4267535B2 (en) 2009-05-27
US20070199307A1 (en) 2007-08-30
US7543443B2 (en) 2009-06-09
KR20070032780A (en) 2007-03-22

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